File size: 13,205 Bytes
8ead80b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 |
/*
* SIMD-optimized motion estimation
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <[email protected]>
*
* MMX optimization by Nick Kurshev <[email protected]>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/mem_internal.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/me_cmp.h"
#include "libavcodec/mpegvideo.h"
int ff_sum_abs_dctelem_sse2(const int16_t *block);
int ff_sum_abs_dctelem_ssse3(const int16_t *block);
int ff_sse8_mmx(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sse16_mmx(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sse16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_hf_noise8_mmx(const uint8_t *pix1, ptrdiff_t stride, int h);
int ff_hf_noise16_mmx(const uint8_t *pix1, ptrdiff_t stride, int h);
int ff_sad8_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad8_x2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_x2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_x2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad8_y2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_y2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_y2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad8_approx_xy2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_approx_xy2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_sad16_approx_xy2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad_intra8_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad_intra16_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad_intra16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad8_approx_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad16_approx_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
int ff_vsad16_approx_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h);
#define hadamard_func(cpu) \
int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, const uint8_t *src1, \
const uint8_t *src2, ptrdiff_t stride, int h); \
int ff_hadamard8_diff16_ ## cpu(MpegEncContext *s, const uint8_t *src1, \
const uint8_t *src2, ptrdiff_t stride, int h);
hadamard_func(mmxext)
hadamard_func(sse2)
hadamard_func(ssse3)
#if HAVE_X86ASM
static int nsse16_mmx(MpegEncContext *c, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h)
{
int score1, score2;
if (c)
score1 = c->mecc.sse[0](c, pix1, pix2, stride, h);
else
score1 = ff_sse16_mmx(c, pix1, pix2, stride, h);
score2 = ff_hf_noise16_mmx(pix1, stride, h) + ff_hf_noise8_mmx(pix1+8, stride, h)
- ff_hf_noise16_mmx(pix2, stride, h) - ff_hf_noise8_mmx(pix2+8, stride, h);
if (c)
return score1 + FFABS(score2) * c->avctx->nsse_weight;
else
return score1 + FFABS(score2) * 8;
}
static int nsse8_mmx(MpegEncContext *c, const uint8_t *pix1, const uint8_t *pix2,
ptrdiff_t stride, int h)
{
int score1 = ff_sse8_mmx(c, pix1, pix2, stride, h);
int score2 = ff_hf_noise8_mmx(pix1, stride, h) -
ff_hf_noise8_mmx(pix2, stride, h);
if (c)
return score1 + FFABS(score2) * c->avctx->nsse_weight;
else
return score1 + FFABS(score2) * 8;
}
#endif /* HAVE_X86ASM */
#if HAVE_INLINE_ASM
DECLARE_ASM_CONST(8, uint64_t, round_tab)[3] = {
0x0000000000000000ULL,
0x0001000100010001ULL,
0x0002000200020002ULL,
};
static inline void sad8_4_mmx(const uint8_t *blk1, const uint8_t *blk2,
ptrdiff_t stride, int h)
{
x86_reg len = -stride * h;
__asm__ volatile (
"movq (%1, %%"FF_REG_a"), %%mm0\n\t"
"movq 1(%1, %%"FF_REG_a"), %%mm2\n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"paddw %%mm2, %%mm0 \n\t"
"paddw %%mm3, %%mm1 \n\t"
".p2align 4 \n\t"
"1: \n\t"
"movq (%2, %%"FF_REG_a"), %%mm2\n\t"
"movq 1(%2, %%"FF_REG_a"), %%mm4\n\t"
"movq %%mm2, %%mm3 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddw %%mm4, %%mm2 \n\t"
"paddw %%mm5, %%mm3 \n\t"
"movq %5, %%mm5 \n\t"
"paddw %%mm2, %%mm0 \n\t"
"paddw %%mm3, %%mm1 \n\t"
"paddw %%mm5, %%mm0 \n\t"
"paddw %%mm5, %%mm1 \n\t"
"movq (%3, %%"FF_REG_a"), %%mm4 \n\t"
"movq (%3, %%"FF_REG_a"), %%mm5 \n\t"
"psrlw $2, %%mm0 \n\t"
"psrlw $2, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"psubusb %%mm0, %%mm4 \n\t"
"psubusb %%mm5, %%mm0 \n\t"
"por %%mm4, %%mm0 \n\t"
"movq %%mm0, %%mm4 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpckhbw %%mm7, %%mm4 \n\t"
"paddw %%mm0, %%mm6 \n\t"
"paddw %%mm4, %%mm6 \n\t"
"movq %%mm2, %%mm0 \n\t"
"movq %%mm3, %%mm1 \n\t"
"add %4, %%"FF_REG_a" \n\t"
" js 1b \n\t"
: "+a" (len)
: "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len),
"r" (stride), "m" (round_tab[2]));
}
static inline int sum_mmx(void)
{
int ret;
__asm__ volatile (
"movq %%mm6, %%mm0 \n\t"
"psrlq $32, %%mm6 \n\t"
"paddw %%mm0, %%mm6 \n\t"
"movq %%mm6, %%mm0 \n\t"
"psrlq $16, %%mm6 \n\t"
"paddw %%mm0, %%mm6 \n\t"
"movd %%mm6, %0 \n\t"
: "=r" (ret));
return ret & 0xFFFF;
}
#define PIX_SADXY(suf) \
static int sad8_xy2_ ## suf(MpegEncContext *v, const uint8_t *blk2, \
const uint8_t *blk1, ptrdiff_t stride, int h) \
{ \
__asm__ volatile ( \
"pxor %%mm7, %%mm7 \n\t" \
"pxor %%mm6, %%mm6 \n\t" \
::); \
\
sad8_4_ ## suf(blk1, blk2, stride, h); \
\
return sum_ ## suf(); \
} \
\
static int sad16_xy2_ ## suf(MpegEncContext *v, const uint8_t *blk2, \
const uint8_t *blk1, ptrdiff_t stride, int h) \
{ \
__asm__ volatile ( \
"pxor %%mm7, %%mm7 \n\t" \
"pxor %%mm6, %%mm6 \n\t" \
::); \
\
sad8_4_ ## suf(blk1, blk2, stride, h); \
sad8_4_ ## suf(blk1 + 8, blk2 + 8, stride, h); \
\
return sum_ ## suf(); \
} \
PIX_SADXY(mmx)
#endif /* HAVE_INLINE_ASM */
av_cold void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx)
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_INLINE_ASM
if (INLINE_MMX(cpu_flags)) {
c->pix_abs[0][3] = sad16_xy2_mmx;
c->pix_abs[1][3] = sad8_xy2_mmx;
}
#endif /* HAVE_INLINE_ASM */
if (EXTERNAL_MMX(cpu_flags)) {
c->sse[1] = ff_sse8_mmx;
#if HAVE_X86ASM
c->nsse[0] = nsse16_mmx;
c->nsse[1] = nsse8_mmx;
#endif
}
if (EXTERNAL_MMXEXT(cpu_flags)) {
#if !HAVE_ALIGNED_STACK
c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext;
c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext;
#endif
c->sad[0] = ff_sad16_mmxext;
c->sad[1] = ff_sad8_mmxext;
c->pix_abs[0][0] = ff_sad16_mmxext;
c->pix_abs[0][1] = ff_sad16_x2_mmxext;
c->pix_abs[0][2] = ff_sad16_y2_mmxext;
c->pix_abs[1][0] = ff_sad8_mmxext;
c->pix_abs[1][1] = ff_sad8_x2_mmxext;
c->pix_abs[1][2] = ff_sad8_y2_mmxext;
c->vsad[4] = ff_vsad_intra16_mmxext;
c->vsad[5] = ff_vsad_intra8_mmxext;
if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
c->pix_abs[0][3] = ff_sad16_approx_xy2_mmxext;
c->pix_abs[1][3] = ff_sad8_approx_xy2_mmxext;
c->vsad[0] = ff_vsad16_approx_mmxext;
c->vsad[1] = ff_vsad8_approx_mmxext;
}
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->sse[0] = ff_sse16_sse2;
c->sum_abs_dctelem = ff_sum_abs_dctelem_sse2;
#if HAVE_ALIGNED_STACK
c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2;
c->hadamard8_diff[1] = ff_hadamard8_diff_sse2;
#endif
if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW) && avctx->codec_id != AV_CODEC_ID_SNOW) {
c->sad[0] = ff_sad16_sse2;
c->pix_abs[0][0] = ff_sad16_sse2;
c->pix_abs[0][1] = ff_sad16_x2_sse2;
c->pix_abs[0][2] = ff_sad16_y2_sse2;
c->vsad[4] = ff_vsad_intra16_sse2;
if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
c->pix_abs[0][3] = ff_sad16_approx_xy2_sse2;
c->vsad[0] = ff_vsad16_approx_sse2;
}
}
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->sum_abs_dctelem = ff_sum_abs_dctelem_ssse3;
#if HAVE_ALIGNED_STACK
c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3;
c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3;
#endif
}
}
|